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Contract OI history

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Oct 30, 2026 EXPIRATION

MRK $146.00 Call

MRK261030C00146000

Latest saved OI1,328Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $146.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5477730 2026-10-02: 797 OI2026-10-05: 811 OI2026-10-06: 812 OI2026-10-07: 812 OI2026-10-08: 812 OI2026-10-09: 856 OI2026-10-13: 856 OI2026-10-14: 856 OI2026-10-15: 1,547 OI2026-10-16: 1,267 OI2026-10-21: 1,293 OI2026-10-23: 1,328 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,328+35
Oct 21, 20261,293+26
Oct 16, 20261,267-280
Oct 15, 20261,547+691
Oct 14, 20268560
Oct 13, 20268560
Oct 09, 2026856+44
Oct 08, 20268120
Oct 07, 20268120
Oct 06, 2026812+1
Oct 05, 2026811+14
Oct 02, 2026797No prior observation